Source: http://www.abarim-publications.com/Meaning/Meshullemeth.html

🔼The name Meshullemeth in the Bible

The name Meshullemeth occurs only once in the Bible. Meshullemeth is the daughter of Haruz of Jotbah, and became the wife of the proverbially evil king Manasseh of Judah and the mother of his equally awful successor, king Amon (2 Kings 21:19).

🔼Etymology of the name Meshullemeth

The name Meshullemeth is the feminine form of the name Meshullam, and that name is a participle derived from the verb שלם (shalem), meaning to be unbroken or whole:

🔼Meshullemeth meaning

For a meaning of the name Meshullemeth, NOBSE Study Bible Name List refers to the name Meshullam, for which it reads Recompensed, Rewarded. Alfred Jones (Dictionary of Old Testament Proper Names) has Repaying, which is also the same as his translation of Meshullam. BDB Theological Dictionary does not offer an interpretation of the name Meshullemeth but does list it under the verb שלם (shalem).